Following up on the recent IPv6 outage our provider has received updates for their Cisco equipment that will be deployed tonight between 2013-03-05 00:00 (CET) and 06:00.
Due to the bugs in the existing firmware a "hot update" is not possible and the provider expects multiple outages of about 10 minutes in connectivity to the data center.
We do not expect any network issues within our cluster but expect to see unavailability from and to the internet.